TY JOUR TI Volume periodic matrix of chemical elements KW dimensional periodic matrix of chemical elements KW informativity of three-dimensional models KW matrix frame system KW sequence number of elements KW valence KW electronic formulas and matrix properties KW signal and valence elements KW volume periodicity of systems JO Technique and technology of silicates AU Gusev, B.V. AU Speransky, A.A. PY 2018 IS 25 PB Individual Entrepreneur Svetlana Vasilievna Samchenko